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Diffstat (limited to 'target/mips/tx79.decode')
| -rw-r--r-- | target/mips/tx79.decode | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/mips/tx79.decode b/target/mips/tx79.decode new file mode 100644 index 0000000000..0f748b53a6 --- /dev/null +++ b/target/mips/tx79.decode @@ -0,0 +1,39 @@ +# Toshiba C790's instruction set +# +# Copyright (C) 2021 Philippe Mathieu-Daudé +# +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Toshiba Appendix B C790-Specific Instruction Set Details + +########################################################################### +# Named attribute sets. These are used to make nice(er) names +# when creating helpers common to those for the individual +# instruction patterns. + +&rtype rs rt rd sa + +########################################################################### +# Named instruction formats. These are generally used to +# reduce the amount of duplication between instruction patterns. + +@rs_rt_rd ...... rs:5 rt:5 rd:5 ..... ...... &rtype sa=0 +@rt_rd ...... ..... rt:5 rd:5 ..... ...... &rtype rs=0 sa=0 +@rs ...... rs:5 ..... .......... ...... &rtype rt=0 rd=0 sa=0 +@rd ...... .......... rd:5 ..... ...... &rtype rs=0 rt=0 sa=0 + +########################################################################### + +MFHI1 011100 0000000000 ..... 00000 010000 @rd +MTHI1 011100 ..... 0000000000 00000 010001 @rs +MFLO1 011100 0000000000 ..... 00000 010010 @rd +MTLO1 011100 ..... 0000000000 00000 010011 @rs + +# MMI2 + +PCPYLD 011100 ..... ..... ..... 01110 001001 @rs_rt_rd + +# MMI3 + +PCPYUD 011100 ..... ..... ..... 01110 101001 @rs_rt_rd +PCPYH 011100 00000 ..... ..... 11011 101001 @rt_rd |